skia2/tests/sksl/shared/OperatorsES3.glsl
John Stiles 2654187396 Eliminate unused local variables during SkSL optimization.
This can eliminate const variables which have been completely folded
away, unnecessary synthetic variables created during codegen/inlining,
or code that simply didn't need to exist at all.

Change-Id: I37a65e455e6527a6a6c2f4dde918f48d84dc2638
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/383496
Commit-Queue: John Stiles <johnstiles@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
2021-03-16 17:22:53 +00:00

26 lines
478 B
GLSL

out vec4 sk_FragColor;
uniform vec4 colorGreen;
uniform vec4 colorRed;
vec4 main() {
float x = 1.0;
float y = 2.0;
int z = 3;
x = (x - x) + ((y * x) * x) * (y - x);
y = (x / y) / x;
z = (((z / 2) % 3 << 4) >> 2) << 1;
x += 12.0;
x -= 12.0;
x *= (y /= 10.0);
z |= 0;
z &= -1;
z ^= 0;
z >>= 2;
z <<= 4;
z %= 5;
x = 6.0;
y = 6.0;
z = 6;
return (x == 6.0 && y == 6.0) && z == 6 ? colorGreen : colorRed;
}